kopia lustrzana https://github.com/jupyterhub/repo2docker
52 wiersze
1.3 KiB
Python
52 wiersze
1.3 KiB
Python
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import os
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import subprocess
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from traitlets import Unicode, Dict
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from traitlets.config import LoggingConfigurable
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class BuildPack(LoggingConfigurable):
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def detect(self, workdir):
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"""
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Return True if app in workdir can be built with this buildpack
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"""
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pass
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def build(self, workdir, output_image_spec):
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"""
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Run a command that will take workdir and produce an image ready to be pushed
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"""
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pass
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class PythonBuildPack(BuildPack):
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runtime_builder_map = Dict({
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'python-2.7': 'jupyterhub/singleuser-builder-venv-2.7:v0.1.2',
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'python-3.5': 'jupyterhub/singleuser-builder-venv-3.5:v0.1.2',
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})
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runtime = Unicode(
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'python-3.5',
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config=True
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)
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def detect(self, workdir):
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if os.path.exists(os.path.join(workdir, 'requirements.txt')):
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try:
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with open(os.path.join(workdir, 'runtime.txt')) as f:
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self.runtime = f.read().strip()
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except FileNotFoundError:
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pass
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return True
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def build(self, workdir, output_image_spec):
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cmd = [
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's2i',
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'build',
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workdir,
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self.runtime_builder_map[self.runtime],
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output_image_spec
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]
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subprocess.check_call(cmd)
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